Prime Time
Fun Factors and Many Multiples
Amazing Algebra
More Amazing Algebra
Interesting Indices
100
What is the smallest prime number?
2
100
List the first 6 multiples of 9.
9, 18, 27, 26, 45, 54
100
Expand 3(x - 4)
3x - 12
100
Simplify 6a + 8a - 7a + a
8a
100
Calculate 2^7.
128
200
List all of the prime numbers between 10 and 20.
11, 13, 17, 19
200
List all the factors of 24.
1, 2, 3, 4, 6, 8, 12, 24
200
Expand 8(3 - 4x)
24 - 32x
200
Simplify: 2b - 6c + 8 - 9 - 8b + 4c
-6b - 2c - 1
200
Calculate 18 - 2^5
-14
300
Write 1000 as a product of its prime factors using indices if appropriate.
2^3 x 5^3
300
What is the LCM of 7 and 28?
28
300
Expand 2(a - 3b + 8)
2a - 6b + 16
300
A square has a side length of "b". Write an expression for the perimeter.
4b
300
Fill in the missing number. 7^___ = 2401
4
400
What is the smallest number that has 2, 3, and 5 as its prime factors?
2 x 3 x 5 = 30
400
What is the HCF of 42 and 63?
21
400
Factorise 3x + 21 by removing the HCF.
3(x + 7)
400
Expand and simplify: 6(a - 2) + 2(3a + 8)
6a - 12 + 6a + 16 = 12a + 4
400
Fill in the missing number. 3^2 + 2^4 = ____^2
5
500
What is the smallest number with five different prime factors?
2 x 3 x 5 x 7 x 11 = 2310
500
What is the LCM of 60 and 72?
360
500
Factorise 20a - 15 by removing the HCF.
5(4a - 3)
500
A rectangle has a length of " 2a - 7" and a width of "8". Write an expression for area of the rectangle without using brackets.
16a - 56
500
Calculate: 6(2 - 4)^3
-48
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